252873-65-7Relevant academic research and scientific papers
A single-step synthesis of symmetrical 1,3-diarylisobenzofurans
Benderradji, Farah,Nechab, Malek,Einhorn, Cathy,Einhorn, Jacques
, p. 2035 - 2038 (2006)
A convenient single-step synthesis of various symmetrically substituted 1,3-diarylisobenzofurans from readily available 3-methoxy-3H-isobenzofuran-1-one (1a) and two equivalents of aryl Grignard reagents is described. The title compounds are obtained in medium to high isolated yields. Crude isobenzofuran has also been trapped by maleimide, furnishing pure Diels-Alder adduct almost quantitatively. Georg Thieme Verlag Stuttgart.
A new synthetic route to substituted tetracenes and pentacenes via stereoselective [4+2] cycloadditions of 1,4-dihydro-1,4-epoxynaphthalene and isobenzofuran
Eda, Shohei,Eguchi, Fumiaki,Haneda, Hiroshi,Hamura, Toshiyuki
supporting information, p. 5963 - 5966 (2015/03/30)
Stereoselective [4+2] cycloadditions of 1,4-dihydro-1,4-epoxynaphthalene and isobenzofuran were described. Among several possibilities, syn-exo and/or anti-endo isomers were selectively produced depending on the substitution pattern of the reactants. Importantly, the syn-exo isomer underwent acid promoted aromatization, affording the corresponding tetracene. These findings enabled us to prepare a substituted pentacene with electron withdrawing groups.
Synthesis and characterization of 1,3-diarylbenzo[c]selenophenes
Amaladass,Kumar, Natarajan Senthil,Mohanakrishnan, Arasambattu K.
, p. 7992 - 7998 (2008/12/20)
A series of 1,3-diarylbenzo[c]selenophenes (symmetrical/unsymmetrical) have been synthesized involving a selenium transfer reaction of keto-alcohol/benzo[c]furan using Woollins reagent. The optical and electrochemical studies of these diarylbenzo[c]selenophenes are correlated with their structures.
